Dense Fog Advisory issued February 24 at 3:19PM CST until February 24 at 9:00PM CST by NWS Memphis
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 PM CST THIS EVENING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Mississippi, Alcorn, Tishomingo and Prentiss Counties. In Tennessee, Chester, Henderson, Decatur, McNairy and Hardin Counties. * WHEN...Until 9 PM CST this evening. * IMPACTS...Hazardous driving conditions due to low visibility.
A warning is issued when a hazardous weather or hydrologic event is occurring, imminent or likely.
A watch is used when the risk of a hazardous weather or hydrologic event has increased significantly, but its occurrence, location or timing is still uncertain.
An advisory is issued when a hazardous weather or hydrologic event is occurring, imminent or likely.